ICL3225ECA-T

Overview

The ICL3225ECA-T is an RS-232 transceiver manufactured by Renesas Electronics Corporation, housed in a 20-SSOP surface-mount package. It operates on a single power supply ranging from 3 V to 5.5 V and supports full-duplex communication with one driver and two receivers. The device guarantees data rates up to 1 Mb/s under worst-case load conditions while maintaining a low operating supply current of 1 mA. It features ±15 kV electrostatic discharge protection per the human body model and includes enhanced automatic powerdown functionality that reduces standby current to 1 µA. The component meets EIA/TIA-232 and V.28/V.24 specifications at 3 V.

Feature Summary

• Integrated charge pumps requiring only four external 0.1µF capacitors for voltage conversion
• Enhanced automatic powerdown mechanism significantly reducing standby power consumption
• Receiver hysteresis designed to improve noise immunity in signal processing

Applications

• Portable digital assistants (PDAs) and palmtop computers
• Notebook and laptop computer serial interfaces
• Mixed 3.3V and 5.0V system interconnects

Procurement Notes

Verify the specific suffix against official Renesas documentation to confirm temperature range and packaging configuration. Ensure compatibility with moisture sensitivity level requirements during storage and handling. Confirm RoHS compliance status through the manufacturer's latest certification records before finalizing procurement orders.

Selection Notes

Select this component when designing systems requiring low-power RS-232 connectivity in space-constrained portable devices. The 20-SSOP package suits applications needing surface-mount integration. Verify that the 1 Mbps data rate aligns with system timing requirements and that the 3 V to 5.5 V supply range matches the target platform's voltage rails.

Part Context

This part belongs to the ICL32XXE family of RS-232 transceivers characterized by enhanced automatic powerdown capabilities. The series targets battery-operated equipment where minimizing standby current is critical. The ICL3225 variant specifically provides one driver and two receivers, distinguishing it from other members of the family with different channel counts or additional control signals.

Replacement Considerations

Public datasheets identify the MAX3225 as a drop-in replacement candidate. Verify pinout compatibility and electrical parameter alignment with the original design requirements before substituting components in existing hardware layouts.